U.S. Commerce Secretary Howard Lutnick said ASML Holding NV that a top-of-the-line lithography machine may have been diverted to China [1].
The situation represents a critical security flashpoint because extreme ultraviolet (EUV) lithography tools are essential for producing the most advanced semiconductors. If China obtains this equipment, it could significantly accelerate its domestic chip capabilities and undermine U.S. efforts to limit the growth of Chinese military and artificial intelligence technology.
U.S. officials in Washington and ASML executives in Eindhoven, Netherlands, held security-focused discussions this week to address the potential breach [2]. The U.S. government is concerned that a high-end EUV machine, the most advanced type of chipmaking tool, could have made its way into China despite strict export controls [1], [3].
ASML said none of its EUV lithography machines have been shipped to China [4]. The company remains a central figure in the global semiconductor supply chain, with a market value that has surpassed $700 billion [5].
U.S. officials said such equipment could enhance China's semiconductor capabilities, which they view as a national security risk [1], [3]. The divergence between the U.S. government's concerns and the company's denials highlights the difficulty of tracking high-value technology once it leaves the manufacturer—a challenge that complicates the enforcement of international trade sanctions.
Because EUV tools are so large and complex, they generally require significant infrastructure and ongoing support from the manufacturer to operate. However, the U.S. continues to monitor the risk of illicit diversion through third-party intermediaries or clandestine shipments [2], [3].
“U.S. officials are worried that advanced EUV lithography equipment could enhance China’s semiconductor capabilities.”
This dispute underscores the intensifying 'chip war' between the U.S. and China. By pressuring ASML, the U.S. is attempting to close loopholes in its export regime to ensure that the most advanced manufacturing hardware does not reach Chinese state-backed firms. The contradiction between U.S. intelligence concerns and ASML's corporate denials suggests a potential gap in visibility regarding the final destination of specialized hardware.
